<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- table表格区 -->
      <el-table :data="goodList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="100px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column l-table-column label="创建时间" width="140px">
          <template v-slot="slot">{{slot.row.add_time | dateFormat}}</template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template v-slot="slot">
            <!-- <el-button type="primary" icon="el-icon-edit" size="mini"></el-button> -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeById(slot.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5,10,15,20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      ></el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10,
      },
      // 商品总数
      total: 0,
      // 商品列表
      goodList: [],
    };
  },
  created() {
    this.getGoodsList();
  },
  methods: {
    //   根据分页获取对应商品列表
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败');
      }
      // this.$message.success('获取商品列表成功');
      this.goodList = res.data.goods;
      this.total = res.data.total;
    },
    // pagesize变化
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getGoodsList();
    },
    // pagenum变化
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getGoodsList();
    },
    // 删除商品
    async removeById(id) {
      // 弹框提示是否删除
      const confirmResult = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      ).catch((err) => err);
      // 点击确认返回confirm字符串，取消返回cancel字符串
      // 此处为取消
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除');
      }
      const { data: res } = await this.$http.delete(`goods/${id}`);
      if (res.meta.status !== 200) {
        this.$message.error('删除失败');
      }
      this.getGoodsList();
      this.$message.success('删除成功');
    },
    // 添加商品
    goAddpage() {
      this.$router.push('/goods/add');
    },
  },
};
</script>


<style lang="less" scoped>
</style>